﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace WebApplication1
{
    public partial class WebForm2 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                this.DropDownList1.Items.Add("新华社");
                this.DropDownList1.Items.Add("光明日报");
                this.DropDownList1.Items.Add("人民网");
            }
        }

        protected void Button1_Click(object sender, EventArgs e)
        {
            if (TextBox1.Text== "")
            {
                this.Label6.Text = "请输入新闻内容!";
            }
            else
            {
                this.Label5.Text = $"{DateTime.Now}";
                this.Label6.Text = $"此新闻来自{DropDownList1.SelectedValue}谢谢您提交的新闻!";
            }
            
        }

        protected void Button2_Click(object sender, EventArgs e)
        {
            TextBox1.Text = "";
            Label5.Text = "";
        }
    }
}